They are among the rarest of gem diamonds and can fetch hundreds of thousands of pounds.
But now scientists have discovered a new type of colour-changing stone, which is different to
Read more: Scientists discover a colour-changing diamond that transforms from grey to yellow
A mother has claimed she was transformed from 'Casper the Friendly Ghost' into 'Princess Fiona from Shrek' when her skin turned green after using out-of-date fake tan.
Kerry McRobb, from Livingston, West
Read more: Mother left 'looking like Princess Fiona from Shrek' after using out-of-date fake tan
A region in northwest Italy has flooded after 29 inches of rain fell in 12 hours - making it Europe's heaviest-ever rainfall.
The Genoan town of Rossiglione saw 82.9 per cent

Grand Designs viewers were left 'angry' and 'sickened' when a 200-year-old former blacking mill had to be bulldozed for safety reasons - along with the old trees surrounding it.
In last night's
Social media is 'a coward's palace' Australia's PM declares as he warns Facebook should be held responsible for defamatory comments made anonymously
- PM Scott Morrison said social media users should have to